diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/forcedeth.c | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index b60a3041b64c..1094d292630f 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c | |||
@@ -719,7 +719,8 @@ static const struct register_test nv_registers_test[] = { | |||
719 | struct nv_skb_map { | 719 | struct nv_skb_map { |
720 | struct sk_buff *skb; | 720 | struct sk_buff *skb; |
721 | dma_addr_t dma; | 721 | dma_addr_t dma; |
722 | unsigned int dma_len; | 722 | unsigned int dma_len:31; |
723 | unsigned int dma_single:1; | ||
723 | struct ring_desc_ex *first_tx_desc; | 724 | struct ring_desc_ex *first_tx_desc; |
724 | struct nv_skb_map *next_tx_ctx; | 725 | struct nv_skb_map *next_tx_ctx; |
725 | }; | 726 | }; |
@@ -1912,6 +1913,7 @@ static void nv_init_tx(struct net_device *dev) | |||
1912 | np->tx_skb[i].skb = NULL; | 1913 | np->tx_skb[i].skb = NULL; |
1913 | np->tx_skb[i].dma = 0; | 1914 | np->tx_skb[i].dma = 0; |
1914 | np->tx_skb[i].dma_len = 0; | 1915 | np->tx_skb[i].dma_len = 0; |
1916 | np->tx_skb[i].dma_single = 0; | ||
1915 | np->tx_skb[i].first_tx_desc = NULL; | 1917 | np->tx_skb[i].first_tx_desc = NULL; |
1916 | np->tx_skb[i].next_tx_ctx = NULL; | 1918 | np->tx_skb[i].next_tx_ctx = NULL; |
1917 | } | 1919 | } |
@@ -1930,23 +1932,30 @@ static int nv_init_ring(struct net_device *dev) | |||
1930 | return nv_alloc_rx_optimized(dev); | 1932 | return nv_alloc_rx_optimized(dev); |
1931 | } | 1933 | } |
1932 | 1934 | ||
1933 | static int nv_release_txskb(struct net_device *dev, struct nv_skb_map* tx_skb) | 1935 | static void nv_unmap_txskb(struct fe_priv *np, struct nv_skb_map *tx_skb) |
1934 | { | 1936 | { |
1935 | struct fe_priv *np = netdev_priv(dev); | ||
1936 | |||
1937 | if (tx_skb->dma) { | 1937 | if (tx_skb->dma) { |
1938 | pci_unmap_page(np->pci_dev, tx_skb->dma, | 1938 | if (tx_skb->dma_single) |
1939 | tx_skb->dma_len, | 1939 | pci_unmap_single(np->pci_dev, tx_skb->dma, |
1940 | PCI_DMA_TODEVICE); | 1940 | tx_skb->dma_len, |
1941 | PCI_DMA_TODEVICE); | ||
1942 | else | ||
1943 | pci_unmap_page(np->pci_dev, tx_skb->dma, | ||
1944 | tx_skb->dma_len, | ||
1945 | PCI_DMA_TODEVICE); | ||
1941 | tx_skb->dma = 0; | 1946 | tx_skb->dma = 0; |
1942 | } | 1947 | } |
1948 | } | ||
1949 | |||
1950 | static int nv_release_txskb(struct fe_priv *np, struct nv_skb_map *tx_skb) | ||
1951 | { | ||
1952 | nv_unmap_txskb(np, tx_skb); | ||
1943 | if (tx_skb->skb) { | 1953 | if (tx_skb->skb) { |
1944 | dev_kfree_skb_any(tx_skb->skb); | 1954 | dev_kfree_skb_any(tx_skb->skb); |
1945 | tx_skb->skb = NULL; | 1955 | tx_skb->skb = NULL; |
1946 | return 1; | 1956 | return 1; |
1947 | } else { | ||
1948 | return 0; | ||
1949 | } | 1957 | } |
1958 | return 0; | ||
1950 | } | 1959 | } |
1951 | 1960 | ||
1952 | static void nv_drain_tx(struct net_device *dev) | 1961 | static void nv_drain_tx(struct net_device *dev) |
@@ -1964,10 +1973,11 @@ static void nv_drain_tx(struct net_device *dev) | |||
1964 | np->tx_ring.ex[i].bufhigh = 0; | 1973 | np->tx_ring.ex[i].bufhigh = 0; |
1965 | np->tx_ring.ex[i].buflow = 0; | 1974 | np->tx_ring.ex[i].buflow = 0; |
1966 | } | 1975 | } |
1967 | if (nv_release_txskb(dev, &np->tx_skb[i])) | 1976 | if (nv_release_txskb(np, &np->tx_skb[i])) |
1968 | dev->stats.tx_dropped++; | 1977 | dev->stats.tx_dropped++; |
1969 | np->tx_skb[i].dma = 0; | 1978 | np->tx_skb[i].dma = 0; |
1970 | np->tx_skb[i].dma_len = 0; | 1979 | np->tx_skb[i].dma_len = 0; |
1980 | np->tx_skb[i].dma_single = 0; | ||
1971 | np->tx_skb[i].first_tx_desc = NULL; | 1981 | np->tx_skb[i].first_tx_desc = NULL; |
1972 | np->tx_skb[i].next_tx_ctx = NULL; | 1982 | np->tx_skb[i].next_tx_ctx = NULL; |
1973 | } | 1983 | } |
@@ -2171,6 +2181,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) | |||
2171 | np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, | 2181 | np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, |
2172 | PCI_DMA_TODEVICE); | 2182 | PCI_DMA_TODEVICE); |
2173 | np->put_tx_ctx->dma_len = bcnt; | 2183 | np->put_tx_ctx->dma_len = bcnt; |
2184 | np->put_tx_ctx->dma_single = 1; | ||
2174 | put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); | 2185 | put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); |
2175 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | 2186 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
2176 | 2187 | ||
@@ -2196,6 +2207,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) | |||
2196 | np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, | 2207 | np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, |
2197 | PCI_DMA_TODEVICE); | 2208 | PCI_DMA_TODEVICE); |
2198 | np->put_tx_ctx->dma_len = bcnt; | 2209 | np->put_tx_ctx->dma_len = bcnt; |
2210 | np->put_tx_ctx->dma_single = 0; | ||
2199 | put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); | 2211 | put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); |
2200 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | 2212 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
2201 | 2213 | ||
@@ -2291,6 +2303,7 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) | |||
2291 | np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, | 2303 | np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, |
2292 | PCI_DMA_TODEVICE); | 2304 | PCI_DMA_TODEVICE); |
2293 | np->put_tx_ctx->dma_len = bcnt; | 2305 | np->put_tx_ctx->dma_len = bcnt; |
2306 | np->put_tx_ctx->dma_single = 1; | ||
2294 | put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma)); | 2307 | put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma)); |
2295 | put_tx->buflow = cpu_to_le32(dma_low(np->put_tx_ctx->dma)); | 2308 | put_tx->buflow = cpu_to_le32(dma_low(np->put_tx_ctx->dma)); |
2296 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | 2309 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
@@ -2317,6 +2330,7 @@ static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) | |||
2317 | np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, | 2330 | np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, |
2318 | PCI_DMA_TODEVICE); | 2331 | PCI_DMA_TODEVICE); |
2319 | np->put_tx_ctx->dma_len = bcnt; | 2332 | np->put_tx_ctx->dma_len = bcnt; |
2333 | np->put_tx_ctx->dma_single = 0; | ||
2320 | put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma)); | 2334 | put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma)); |
2321 | put_tx->buflow = cpu_to_le32(dma_low(np->put_tx_ctx->dma)); | 2335 | put_tx->buflow = cpu_to_le32(dma_low(np->put_tx_ctx->dma)); |
2322 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | 2336 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
@@ -2434,10 +2448,7 @@ static int nv_tx_done(struct net_device *dev, int limit) | |||
2434 | dprintk(KERN_DEBUG "%s: nv_tx_done: flags 0x%x.\n", | 2448 | dprintk(KERN_DEBUG "%s: nv_tx_done: flags 0x%x.\n", |
2435 | dev->name, flags); | 2449 | dev->name, flags); |
2436 | 2450 | ||
2437 | pci_unmap_page(np->pci_dev, np->get_tx_ctx->dma, | 2451 | nv_unmap_txskb(np, np->get_tx_ctx); |
2438 | np->get_tx_ctx->dma_len, | ||
2439 | PCI_DMA_TODEVICE); | ||
2440 | np->get_tx_ctx->dma = 0; | ||
2441 | 2452 | ||
2442 | if (np->desc_ver == DESC_VER_1) { | 2453 | if (np->desc_ver == DESC_VER_1) { |
2443 | if (flags & NV_TX_LASTPACKET) { | 2454 | if (flags & NV_TX_LASTPACKET) { |
@@ -2502,10 +2513,7 @@ static int nv_tx_done_optimized(struct net_device *dev, int limit) | |||
2502 | dprintk(KERN_DEBUG "%s: nv_tx_done_optimized: flags 0x%x.\n", | 2513 | dprintk(KERN_DEBUG "%s: nv_tx_done_optimized: flags 0x%x.\n", |
2503 | dev->name, flags); | 2514 | dev->name, flags); |
2504 | 2515 | ||
2505 | pci_unmap_page(np->pci_dev, np->get_tx_ctx->dma, | 2516 | nv_unmap_txskb(np, np->get_tx_ctx); |
2506 | np->get_tx_ctx->dma_len, | ||
2507 | PCI_DMA_TODEVICE); | ||
2508 | np->get_tx_ctx->dma = 0; | ||
2509 | 2517 | ||
2510 | if (flags & NV_TX2_LASTPACKET) { | 2518 | if (flags & NV_TX2_LASTPACKET) { |
2511 | if (!(flags & NV_TX2_ERROR)) | 2519 | if (!(flags & NV_TX2_ERROR)) |
@@ -5091,7 +5099,7 @@ static int nv_loopback_test(struct net_device *dev) | |||
5091 | dprintk(KERN_DEBUG "%s: loopback - did not receive test packet\n", dev->name); | 5099 | dprintk(KERN_DEBUG "%s: loopback - did not receive test packet\n", dev->name); |
5092 | } | 5100 | } |
5093 | 5101 | ||
5094 | pci_unmap_page(np->pci_dev, test_dma_addr, | 5102 | pci_unmap_single(np->pci_dev, test_dma_addr, |
5095 | (skb_end_pointer(tx_skb) - tx_skb->data), | 5103 | (skb_end_pointer(tx_skb) - tx_skb->data), |
5096 | PCI_DMA_TODEVICE); | 5104 | PCI_DMA_TODEVICE); |
5097 | dev_kfree_skb_any(tx_skb); | 5105 | dev_kfree_skb_any(tx_skb); |